| Acronym | Meaning |
| MCRHF | Multiconfigurational Relativistic Hartree-Fock |
| RZM | Root Zone Method (of Wastewater Treatment) |
| AMA | American Medical Association |
| SMART | System Integrated Modular Advanced ReacTor |
| HY-CIVB | Hylleraas-configuration Interaction Valence Bond |
| HGCU | Hot-gas Particulate Cleanup |
| HFET | High Field Effect Transistor |
| HECD | Hall Electrolytic Conductivity Detector |
| PMMA | Poly (methyl Methacrylate) |
| PAZ | Protective Action Zone |